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NSR database version of April 11, 2024.

Search: Author = M.MatoS

Found 79 matches.

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2022JO01      Phys.Rev. C 105, 024602 (2022)

K.L.Jones, A.Bey, S.Burcher, J.M.Allmond, A.Galindo-Uribarri, D.C.Radford, S.Ahn, A.Ayres, D.W.Bardayan, J.A.Cizewski, R.F.Garcia Ruiz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.Matos, C.D.Nesaraja, P.D.O'Malley, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, A.Ratkiewicz, K.T.Schmitt, M.S.Smith, D.W.Stracener, R.L.Varner

Neutron transfer reactions on the ground state and isomeric state of a 130Sn beam

NUCLEAR REACTIONS 9Be, 13C(130Sn, 131Sn), E=520 MeV [secondary 130Sn and 130mSn beams from U(p, F)]; measured reaction products, Eγ, Iγ, Eα, αα-coin, αγ-coin, ααγ-coin. 131Sn; deduced levels, J, π, improved energy values for 1p-2h states. Discussed the probability of one-neutron transfer from the 7- isomeric state in 130Sn. CLARION array of 11 Compton-suppressed HPGe clover detectors combined with BareBall CsI(Tl) array at HRIBF.

doi: 10.1103/PhysRevC.105.024602
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2022KI05      Phys.Rev. C 105, 025801 (2022)

C.H.Kim, K.Y.Chae, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, M.S.Kwag, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss

Proton branching ratios of 23Mg levels

NUCLEAR REACTIONS 24Mg(p, d), E=31 MeV; measured Ep, Ip, deuteron spectra, (deuteron)p-coin; deduced proton branchings from excited states in 23Mg to the levels of 22Na. Discussed the impact of measured proton branchings on the estimation of 22Na(p, γ) reaction rate. A large-area silicon detector array (SIDAR) at HRIBF.

doi: 10.1103/PhysRevC.105.025801
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2021BA34      Phys.Rev. C 104, 024308 (2021)

J.C.Batchelder, C.Apgar, N.T.Brewer, C.J.Gross, R.K.Grzywacz, S.Ilyushkin, M.Madurga, K.Miernik, S.W.Padgett, S.V.Paulauskas, W.A.Peters, B.C.Rasco, K.P.Rykaczewski, D.W.Stracener, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar, D.W.Bardayan, M.E.Howard, B.Manning, M.Matos, A.J.Mendez, D.Miller, A.Ratkiewicz, E.H.Wang

Levels in 125Cd populated by the β decay of 125mAg and 125Ag

RADIOACTIVITY 125,125mAg(β-), (β-n)[from 238U(p, F), E=50 MeV from the ORIC cyclotron at the HRIBF-ORNL facility, followed by mass separation of fission fragments by a high resolution magnet]; 124Cd(β-)[from 125Cd β-n decay]; measured Eγ, Iγ, βγ- and γγ-coin, half-lives of decays of the g.s. and isomer of 125Ag, %β-n or Pn using two HPGe clover detectors for γ rays, two plastic scintillators for β particles, and 48 plastic scintillators for the detection of neutrons. 125Cd, 124In; deduced levels, J, π, multipolarity, β feedings, logft. Comparison with previously reported results.

doi: 10.1103/PhysRevC.104.024308
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2021KI05      Phys.Rev. C 104, 014323 (2021)

M.J.Kim, K.Y.Chae, S.Ahn, D.W.Bardayan, S.M.Cha, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss

First measurement of proton decay from a transfer reaction to 21Na

NUCLEAR REACTIONS 24Mg(p, α)21Na*, E=31 MeV; analyzed Eα, Iα, light charged particles, particle identification plot, α(protons from the decay of excited stated in 21Na)-coin, a follow-up analysis of previously reported experiment in 2017Ch34 using silicon detector array SIDAR at HRIBF-ORNL facility. 21Na; deduced levels, proton branching ratios from decay of levels in 21Na to the ground and first excited states of 20Ne assuming isotropic decays. 21Mg(β+), (β+p); compared previously known experimental delayed proton branches from levels in 21Na populated in β+ decay of 21Mg with those from the transfer reaction in the present analysis.

doi: 10.1103/PhysRevC.104.014323
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2020KW01      Eur.Phys.J. A 56, 108 (2020)

M.S.Kwag, K.Y.Chae, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss

Spin assignments for 23Mg levels and the astrophysical 22Na(p, γ)23Mg reaction

NUCLEAR REACTIONS 24Mg(p, d), E=31 MeV; measured reaction products. 23Mg, 22Na; deduced σ(θ), excitation energies and J, π for levels, resonance parameters and astrophysical reaction rates for 22Na+p. Comparison with available data, DWBA calculations. Large-area SIlicon Detector ARray (SIDAR). The Holifield Radioactive Ion Beam Facility (HRIBF) at Oak Ridge National Laboratory (ORNL).

doi: 10.1140/epja/s10050-020-00106-y
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2020ME06      Phys.Rev. C 101, 052801 (2020)

Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Nuclear mass measurements map the structure of atomic nuclei and accreting neutron stars

ATOMIC MASSES 48,49Ar, 52,53,54,55,56,57Sc, 56,57,58,59Ti, 57,58,59,60,61,62V, 64,65Cr, 67,68Mn, 67,68,69,70Fe; measured time of flight, ΔE, Bπ, and mass excess using the A1900 fragment separator and the S800 spectrograph for particle identification at the NSCL-MSU facility; deduced S(2n), and Dn(Z, A)=S(n)(Z, A+1)-S(n)(Z, A), related to pairing gap. Comparison with available evaluated data in AME2016, and with shell model calculations using GX1A Hamiltonian for Sc isotopes. Discussion of upper-Z limit for N=34 subshell closure and lower-Z limit for N=40 subshell, and impact on electron-capture cooling in neutron star crusts. Isotopes produced in 9Be(82Se, X), E=140 MeV/nucleon reaction.

doi: 10.1103/PhysRevC.101.052801
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2019AH05      Phys.Rev. C 100, 044613 (2019)

S.Ahn, D.W.Bardayan, K.L.Jones, A.S.Adekola, G.Arbanas, J.C.Blackmon, K.Y.Chae, K.A.Chipps, J.A.Cizewski, S.Hardy, M.E.Howard, R.L.Kozub, B.Manning, M.Matos, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, B.C.Rasco, M.S.Smith, I.Spassova

Direct neutron capture cross section on 80Ge and probing shape coexistence in neutron-rich nuclei

NUCLEAR REACTIONS 2H(80Ge, p), (80Ge, d), E=310 MeV; measured energies and angles of light-ion ejectiles, Ep, Ip, E(d), I(d), (80Ge)p- and (80Ge)d-coin, angular distributions of ejected proton using various silicon detectors at the Holifield Radioactive Ion Beam Facility at ORNL. Proton angular distributions analyzed using adiabatic wave approximation including finite range effects (ADWAFR) using FRESCO code, and by DWBA. 81Ge; deduced levels, J, π, spectroscopic factors, configurations, region of shape coexistence around N≈50. Systematics of low-lying levels in N=49 isotones 81Ge, 83Se, 85Kr and 87Sr. Discussed implications for the magic nature of 78Ni. 80Ge(n, γ), E=0.01-3 MeV; calculated σ(E) for r-process simulations using direct-semidirect (DSD) model and the CUPIDO code.

doi: 10.1103/PhysRevC.100.044613
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2019MA26      Phys.Rev. C 99, 041302 (2019); Erratum Phys.Rev. C 99, 069901 (2019)

B.Manning, G.Arbanas, J.A.Cizewski, R.L.Kozub, S.Ahn, J.M.Allmond, D.W.Bardayan, K.Y.Chae, K.A.Chipps, M.E.Howard, K.L.Jones, J.F.Liang, M.Matos, C.D.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, K.T.Schmitt, D.Shapira, M.S.Smith, L.Titus

Informing direct neutron capture on tin isotopes near the N=82 shell closure

NUCLEAR REACTIONS 2H(124Sn, p), (126Sn, p), (128Sn, p), E=630 MeV; measured Ep, Ip, (recoils)p-coin, Q-value spectra, differential σ(θ) using Super Oak Ridge Rutgers University Barrel Array (SuperORRUBA) for light charged particle detection and ionization chamber for detection of beam intensity and recoils at Oak Ridge National Laboratory. 125,127,129Sn; deduced levels, Jπ, L-transfers, spectroscopic factors. 2H(130Sn, p), (132Sn, p); reanalyzed previous experimental data. Angular distribution data compared with Finite Range Adiabatic Wave Approximation. 124,126,128,130,132Sn(n, γ), E=30 keV; calculated direct-semidirect σ(n, γ) from spectroscopic information, and compared with various theoretical predictions. Relevance to r-process abundance calculations.

doi: 10.1103/PhysRevC.99.041302
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14557. Data from this article have been entered in the XUNDL database. For more information, click here.


2018OR03      Phys.Lett. B 785, 615 (2018)

R.Orlandi, S.D.Pain, S.Ahn, A.Jungclaus, K.T.Schmitt, D.W.Bardayan, W.N.Catford, R.Chapman, K.A.Chipps, J.A.Cizewski, C.G.Gross, M.E.Howard, K.L.Jones, R.L.Kozub, B.Manning, M.Matos, K.Nishio, P.D.O'Malley, W.A.Peters, S.T.Pittman, A.Ratkiewicz, C.Shand, J.F.Smith, M.S.Smith, T.Fukui, J.A.Tostevin, Y.Utsuno

Neutron-hole states in 131Sn and spin-orbit splitting in neutron-rich nuclei

NUCLEAR STRUCTURE 131,132,133Sn; analyzed available data; deduced spectroscopic factors, a significant reduction of the energy splitting of the weakly bound 3p orbits compared to the well-bound 2d orbits; calculated energy splitting using a one-body spin-orbit interaction and a Woods–Saxon potential of standard radius and diffuseness.

NUCLEAR REACTIONS 2H(132Sn, t)131Sn, E ∼ 4.4 MeV/nucleon; measured reaction products; deduced σ(θ), orbital angular momentum, energy levels, J, π.

doi: 10.1016/j.physletb.2018.08.005
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2383. Data from this article have been entered in the XUNDL database. For more information, click here.


2017BA42      Phys.Rev. C 96, 055806 (2017)

D.W.Bardayan, K.A.Chipps, S.Ahn, J.C.Blackmon, S.Carmichael, U.Greife, K.L.Jones, J.Jose, A.Kontos, R.L.Kozub, L.Linhardt, B.Manning, M.Matos, P.D.O'Malley, S.Ota, S.D.Pain, W.A.Peters, S.T.Pittman, A.Sachs, K.T.Schmitt, M.S.Smith, P.Thompson

Spectroscopic study of 20Ne+p reactions using the JENSA gas-jet target to constrain the astrophysical 18F (p, α)15O rate

NUCLEAR REACTIONS 20Ne(p, d), (p, 3He), E=30 MeV; measured E(d), I(d), 3He spectrum, particle identification spectrum, σ(θ) using SIDAR silicon detector array, and JENSA natural Ne gas target at Holifield Radioactive Ion Beam Facility (HRIBF). DWBA analysis using optical model parameters. 19Ne, 18F; deduced levels, and compared with previous experimental results. 18F(p, α)15O; deduced coefficients to parametrize the astrophysical reaction rates.

doi: 10.1103/PhysRevC.96.055806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2282. Data from this article have been entered in the XUNDL database. For more information, click here.


2017CH19      Phys.Rev. C 95, 044319 (2017)

K.A.Chipps, S.D.Pain, U.Greife, R.L.Kozub, C.D.Nesaraja, M.S.Smith, D.W.Bardayan, A.Kontos, L.E.Linhardt, M.Matos, S.T.Pittman, P.Thompson

Particle decay of proton-unbound levels in 12N

NUCLEAR REACTIONS 14N(p, t), E=38 MeV from HRIBF-ORNL facility; measured tritons, and spectra of decay-particles (protons) from excited states in 12N, (decay protons)t-coin using ΔE-E telescopes of SIDAR annular strip detectors. 12N; deduced levels, J, π, branching ratios for proton decays from excited states.

doi: 10.1103/PhysRevC.95.044319
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2017CH34      Phys.Rev. C 96, 025810 (2017)

S.M.Cha, K.Y.Chae, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss

Spectroscopic study of the radionuclide 21Na for the astrophysical 17F (α, p) 20Ne reaction rate

NUCLEAR REACTIONS 24Mg(p, α)21Na, E=31 MeV; measured particle spectra, Eα, Iα, σ(θ) using annular silicon strip detector array at the ORNL Holifield Radioactive Ion Beam Facility. 21Na; deduced levels, proton resonances, J, π, L-transfers by DWBA analysis, Γα and resonance strengths of proton resonances. Comparison with previous experimental data as in the Nuclear Data Sheets. 17F(α, p)20Ne, T=0.1-1.1 GK; deduced astrophysical reaction rates, and compared with previous values, and with REACLIB compilation.

doi: 10.1103/PhysRevC.96.025810
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2017KO31      Nucl.Instrum.Methods Phys.Res. A870, 1 (2017)

E.Koshchiy, J.C.Blackmon, G.V.Rogachev, I.Wiedenhover, L.Baby, P.Barber, D.W.Bardayan, J.Belarge, D.Caussyn, E.D.Johnson, K.Kemper, A.N.Kuchera, L.E.Linhardt, K.T.Macon, M.Matos, B.S.Rasco, D.Santiago-Gonzalez

ANASEN: The array for nuclear astrophysics and structure with exotic nuclei

NUCLEAR REACTIONS 4He(6He, 6He), E=7-29 MeV; 4He(14N, p), E=35.6 MeV; measured reaction products, Eα, Iα; deduced σ(θ).

doi: 10.1016/j.nima.2017.07.030
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2017ON01      Phys.Rev. C 95, 055806 (2017)

W.-J.Ong, C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.Cyburt, E.B.Deleeuw, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I.-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Low-lying level structure of 56Cu and its implications for the rp process

NUCLEAR REACTIONS 2H(56Ni, 56Cu), E AP 75 MeV/nucleon, [secondary 56Ni beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU facility]; measured ΔE-TOF particle identification for ions, Eγ, Iγ, γγ-, (56Cu ions)γ-coin using GRETINA array and S800 magnetic spectrograph. 56Cu; deduced levels, J, π. Comparison with mirror nucleus 56Co level scheme, and with shell-model calculations 55Ni(p, γ)56Cu, T9=0.1-10; deduced Q value, astrophysical reaction rates as function of temperature, and impact on the r-process around 56Ni.

NUCLEAR STRUCTURE 56Cu; calculated levels, resonance energies, J, π, spectroscopic factors, Γp, Γγ using shell model with the GXPF1A interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.055806
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2016KN02      Phys.Lett. B 754, 288 (2016)

R.Knobel, M.Diwisch, F.Bosch, D.Boutin, L.Chen, C.Dimopoulou, A.Dolinskii, B.Franczak, B.Franzke, H.Geissel, M.Hausmann, C.Kozhuharov, J.Kurcewicz, S.A.Litvinov, G.Martinez-Pinedo, M.Matos, M.Mazzocco, G.Munzenberg, S.Nakajima, C.Nociforo, F.Nolden, T.Ohtsubo, A.Ozawa, Z.Patyk, W.R.Plass, C.Scheidenberger, J.Stadlmann, M.Steck, B.Sun, T.Suzuki, P.M.Walker, H.Weick, M.-R.Wu, M.Winkler, T.Yamaguchi

First direct mass measurements of stored neutron-rich 129, 130, 131Cd isotopes with FRS-ESR

ATOMIC MASSES 129,130,131Cd; measured mean velocity of the stored fragments; deduced mass excess values of cadmium isotopes and uncertainties. Comparison with AME 2012 evaluation.

doi: 10.1016/j.physletb.2016.01.039
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2016KN03      Eur.Phys.J. A 52, 138 (2016)

R.Knobel, M.Diwisch, H.Geissel, Yu.A.Litvinov, Z.Patyk, W.R.Plass, C.Scheidenberger, B.Sun, H.Weick, F.Bosch, D.Boutin, L.Chen, C.Dimopoulou, A.Dolinskii, B.Franczak, B.Franzke, M.Hausmann, C.Kozhuharov, J.Kurcewicz, S.A.Litvinov, M.Matos, M.Mazzocco, G.Munzenberg, S.Nakajima, C.Nociforo, F.Nolden, T.Ohtsubo, A.Ozawa, J.Stadlmann, M.Steck, T.Suzuki, P.M.Walker, M.Winkler, T.Yamaguchi

New results from isochronous mass measurements of neutron-rich uranium fission fragments with the FRS-ESR-facility at GSI

NUCLEAR REACTIONS 9Be(238U, x), E=410-415 Mev/nucleon; measured reaction products; deduced mass excess for Z=28-62. Compared to AME2012 and other data.

ATOMIC MASSES 68Ge, 91Se, 94Br, 105Y, 106,107Zr, 110Nb, 113Mo, 114,115Tc, 118Ru, 121Rh, 123,124Pd, 126Ag, 138Sb, 141,143I, 149,150Ba, 150,151La, 154Ce, 93Br, 109Nb, 117Ru, 125Ag, 137Sb, 140I; measured correlation between the spread of the revolution time and the number of turns recorded in the ring; deduced mass-excess values.

doi: 10.1140/epja/i2016-16138-6
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2016MA50      Phys.Rev.Lett. 117, 092502 (2016)

M.Madurga, S.V.Paulauskas, R.Grzywacz, D.Miller, D.W.Bardayan, J.C.Batchelder, N.T.Brewer, J.A.Cizewski, A.Fijalkowska, C.J.Gross, M.E.Howard, S.V.Ilyushkin, B.Manning, M.Matos, A.J.Mendez, II, K.Miernik, S.W.Padgett, W.A.Peters, B.C.Rasco, A.Ratkiewicz, K.P.Rykaczewski, D.W.Stracener, E.H.Wang, M.Wolinska-Cichocka, E.F.Zganjar

Evidence for Gamow-Teller Decay of 78Ni Core from Beta-Delayed Neutron Emission Studies

RADIOACTIVITY 83,84Ga(β-), (β-n) [from 238U(p, X), E not given]; measured decay products, En, In, Eγ, Iγ. 78Ni; deduced β-decay strength, strong multineutron emission probabilities, β-decay lifetimes. Shell model calculations, neutron time-of-flight technique.

doi: 10.1103/PhysRevLett.117.092502
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2016ME07      Phys.Rev. C 93, 035805 (2016)

Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Sieja, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Time-of-flight mass measurements of neutron-rich chromium isotopes up to N=40 and implications for the accreted neutron star crust

ATOMIC MASSES 59,60,61,62,63,64Cr; measured mass excesses by time-of-flight (TOF) method using 9Be(82Se, X), E=140 MeV/nucleon for production of Si to Zn isotopes and A1900 fragment separator and S800 spectrograph for fragment separation and analysis at NSCL-MSU. TOF versus mass contour plot obtained for Ar (A=44-49), K (A=47-52), Ca (A=49-55), Sc (A=52-58), Ti (A=54-60), V (A=57-63), Cr (A=59-66), Mn (A=62-70) and Fe (A=64-71) isotopes. Analyzed S(2n) trends and compared to AME-2012. Comparison with state-of-the-art shell-model calculations using modified Lenzi-Nowacki-Poves-Sieja interaction in the fp shell, and with AME-2012 data. Mass of 64Cr used in accreted neutron star crust network calculations, and deduced reduction in strength depth of electron-capture heating from A=64 isobaric chain.

NUCLEAR REACTIONS 9Be(82Se, X), E=140 MeV/nucleon; measured time-of-flight, energy loss, fragment yields of 150 isotopes from Si to Zn using A1900 fragment separator and S800 spectrograph at NSCL-MSU.

doi: 10.1103/PhysRevC.93.035805
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2015BA51      Phys.Lett. B 751, 311 (2015)

D.W.Bardayan, K.A.Chipps, S.Ahn, J.C.Blackmon, R.J.deBoer, U.Greife, K.L.Jones, A.Kontos, R.L.Kozub, L.Linhardt, B.Manning, M.Matos, P.D.O'Malley, S.Ota, S.D.Pain, W.A.Peters, S.T.Pittman, A.Sachs, K.T.Schmitt, M.S.Smith, P.Thompson

The first science result with the JENSA gas-jet target: Confirmation and study of a strong subthreshold 18F(p, α)15O resonance

NUCLEAR REACTIONS 20Ne(p, d), E=30 MeV; measured reaction products; deduced deuteron σ(θ), excitation energies, resonance J. Distorted-wave Born approximation (DWBA) calculations using the computer code TWOFNR7.

NUCLEAR REACTIONS 18F(p, α), E(cm)<1 MeV; calculated astrophysical reaction rate, S-factor with the R-matrix code AZURE2.

doi: 10.1016/j.physletb.2015.10.073
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2202. Data from this article have been entered in the XUNDL database. For more information, click here.


2015CH50      Phys.Rev. C 92, 034325 (2015)

K.A.Chipps, S.D.Pain, U.Greife, R.L.Kozub, D.W.Bardayan, J.C.Blackmon, A.Kontos, L.E.Linhardt, M.Matos, S.T.Pittman, A.Sachs, H.Schatz, K.T.Schmitt, M.S.Smith, P.Thompson, for the JENSA Collaboration

Levels in 12N via the 14N(p, t) reaction using the JENSA gas-jet target

NUCLEAR REACTIONS 14N(p, t), E=38 MeV; measured E(t), I(t), σ(θ) using JENSA (Jet Experiments in Nuclear Structure and Astrophysics) gas-target system and SIDAR array at HRIBF-ORNL accelerator facility. 12N; deduced levels, L-transfers, J, π. DWBA calculations. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.92.034325
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2191. Data from this article have been entered in the XUNDL database. For more information, click here.


2015CH66      J.Korean Phys.Soc. 67, 1435 (2015)

S.M.Cha, K.Y.Chae, A.Kim, E.J.Lee, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, B.Manning, P.D.O'Malley, A.Ratkiewicz, S.Strauss, R.L.Kozub, M.Matos, S.D.Pain, S.T.Pittman, M.S.Smith, W.A.Peters

24Mg(p, α)21Na reaction study for spectroscopy of 21Na

NUCLEAR REACTIONS 24Mg(p, α), E=31 MeV; measured reaction products, Eα, Iα; deduced α-particles yields, σ(θ), new energy level in 21Na. Comparison with theoretical calculations.

doi: 10.3938/jkps.67.1435
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2015JO03      Acta Phys.Pol. B46, 537 (2015)

K.L.Jones, S.Ahn, J.M.Allmond, A.Ayres, D.W.Bardayan, T.Baugher, D.Bazin, J.S.Berryman, A.Bey, C.Bingham, L.Cartegni, G.Cerizza, K.Y.Chae, J.A.Cizewski, A.Gade, A.Galindo-Uribarri, R.F.Garcia Ruiz, R.Grzywacz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.MatoS, S.McDaniel, D.Miller, C.D.Nesaraja, P.D.O'Malley, S.Padgett, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, D.C.Radford, A.Ratkiewicz, K.T.Schmitt, A.Shore, M.S.Smith, D.W.Stracener, S.R.Stroberg, J.Tostevin, R.L.Varner, D.Weisshaar, K.Wimmer, R.Winkler

Recent Direct Reaction Experimental Studies with Radioactive Tin Beams

doi: 10.5506/APhysPolB.46.537
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2015ME01      Phys.Rev.Lett. 114, 022501 (2015)

Z.Meisel, S.George, S.Ahn, J.Browne, D.Bazin, B.A.Brown, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Mass Measurements Demonstrate a Strong N=28 Shell Gap in Argon

ATOMIC MASSES 48,49Ar; measured time of flight; deduced masses, N=28 closed shell, problems of shell model calculations.

doi: 10.1103/PhysRevLett.114.022501
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2015ME08      Phys.Rev.Lett. 115, 162501 (2015)

Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, A.L.Cole, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Mass Measurement of 56Sc Reveals a Small A=56 Odd-Even Mass Staggering, Implying a Cooler Accreted Neutron Star Crust

ATOMIC MASSES 52,53,54,55,56,57Sc; measured rigidity-corrected time-of-flight distributions; deduced atomic mass excesses. Comparison with AME 2012, theoretical models.

doi: 10.1103/PhysRevLett.115.162501
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2015PA23      Phys.Rev.Lett. 114, 212501 (2015)

S.D.Pain, D.W.Bardayan, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.L.Jones, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, B.H.Moazen, C.D.Nesaraja, J.Okolowicz, P.D.O'Malley, W.A.Peters, S.T.Pittman, M.Ploszajczak, K.T.Schmitt, J.F.Shriner, Jr., D.Shapira, M.S.Smith, D.W.Stracener, G.L.Wilson

Constraint of the Astrophysical 26gAl(p, γ)27Si Destruction Rate at Stellar Temperatures

NUCLEAR REACTIONS 2H(26Al, p), E=117 MeV; measured reaction products, Ep, Ip; deduced σ(θ), spectroscopic factors, astrophysical reaction rates.

doi: 10.1103/PhysRevLett.114.212501
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2014CH56      Nucl.Instrum.Methods Phys.Res. A763, 553 (2014)

K.Chipps, U.Greife, D.W.Bardayan, J.C.Blackmon, A.Kontos, L.E.Linhardt, M.Matos, S.D.Pain, S.T.Pittman, A.Sachs, H.Schatz, K.T.Schmitt, M.S.Smith, P.Thompson, for the JENSA Collaboration

The Jet Experiments in Nuclear Structure and Astrophysics (JENSA) gas jet target

NUCLEAR REACTIONS N(120Sn, 120Sn), E=40 MeV; 15N(α, α), E not given; measured reaction products, Eα, Iα; deduced arbitrary units σ(θ), the capability of JENSA to detect scattered recoils at all angles.

doi: 10.1016/j.nima.2014.06.042
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2014LA16      Phys.Rev.Lett. 113, 032502 (2014)

C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Determining the rp-Process Flow through 56Ni: Resonances in 57Cu(p, γ)58Zn identified with GRETINA

NUCLEAR REACTIONS 2H(57Cu, n), E=75 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance energies, J, π, reaction rates. Shell model calculations, GXPF1A interaction.

doi: 10.1103/PhysRevLett.113.032502
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2013SC25      Phys.Rev. C 88, 064612 (2013)

K.T.Schmitt, K.L.Jones, S.Ahn, D.W.Bardayan, A.Bey, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.I.Hahn, J.J.Kolata, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, D.Matyas, B.Moazen, C.D.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Roberts, D.Shapira, J.F.Shriner, M.S.Smith, I.Spassova, D.W.Stracener, N.J.Upadhyay, A.N.Villano, G.L.Wilson

Reactions of a 10Be beam on proton and deuteron targets

NUCLEAR REACTIONS 2H(10Be, p), (10Be, d), 1H(10Be, p), E=60, 75, 90, 107 MeV; measured Ep, Ip, E(d), I(d), elastic and inelastic σ(θ, E) using SIDAR, ORRUBA, and SuperORRUBA arrays of particle detectors at HRIBF-ORNL facility. 11Be; deduced levels, and spectroscopic factors for halo nucleus. Finite-range adiabatic wave approximation (FR-ADWA) analysis.

doi: 10.1103/PhysRevC.88.064612
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2012BA28      Phys.Rev. C 85, 065805 (2012)

D.W.Bardayan, J.C.Blackmon, R.L.Kozub, M.Matos, M.S.Smith

Proton decay branching ratio for the 6.15-MeV 18Ne level

NUCLEAR REACTIONS 17F(p, p'), E(cm)=2.0-2.6; analyzed σ(E, θ) data data. 18Ne; deduced proton decay branching ratios from 6.15-MeV level to ground and first excited state in 17F, proton widths; discussed J, π of 6.15-MeV level. Interpretation of 1H(17F, α)14O reaction measurements and extrapolation to the astrophysically important 14O(α, p)17F reaction in αp process in x-ray bursts.

doi: 10.1103/PhysRevC.85.065805
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2012CH18      Phys.Rev. C 85, 045809 (2012)

J.Chen, A.A.Chen, A.M.Amthor, D.Bazin, A.D.Becerril, A.Gade, D.Galaviz, T.Glasmacher, D.Kahl, G.Lorusso, M.Matos, C.V.Ouellet, J.Pereira, H.Schatz, K.Smith, B.Wales, D.Weisshaar, R.G.T.Zegers

26Si excited states via one-neutron removal from a 27Si radioactive ion beam

NUCLEAR REACTIONS 1H, C(27Si, 26Si), [27Si secondary beam from 9Be(36Ar, X), E=150 MeV/nucleon primary beam], E=84.3 MeV/nucleon; measured energy loss and residual energy for the fragments, Eγ, Iγ, γγ-coin, Doppler corrected γ-ray spectra using SeGA array at NSCL, MSU facility. 26Si; deduced levels. Comparison with previous studies.

doi: 10.1103/PhysRevC.85.045809
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2012LI60      J.Phys.:Conf.Ser. 403, 012036 (2012)

L.E.Linhardt, L.Baby, D.W.Bardayan, J.C.Blackmon, H.Gardiner, E.Johnson, E.Koschiy, M.T.Macon, M.Matos, B.C.Rasco, G.Rogachev, D.Santiago-Gonzalez, I.Wiedenhoever

Measurement of 17F + p reactions with ANASEN

NUCLEAR REACTIONS 1H(17O, α), E(cm)=1.8-3 MeV; 1H(17F, α), (17F, p), E=55 MeV; measured reaction products, Ep, Ip, Eα, Iα. 14N, 14O, 17F; deduced yields, resonances. R-matrix fit. The Array for Nuclear Astrophysics Studies with Exotic Nuclei (ANASEN), RESOLUT facility at FSU.

doi: 10.1088/1742-6596/403/1/012036
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2012LO08      Phys.Rev. C 86, 014313 (2012)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

β-delayed proton emission in the 100Sn region

RADIOACTIVITY 89Ru, 91,92Rh, 93Pd, 95,96,96mAg, 96,97,97mCd, 98,98m,99,100In, 100,101Sn[from 9Be(112Sn, X), E=140 MeV/nucleon](β+), (EC), (β+p); measured Eγ, Iγ, β spectra, E(p), I(p), βγ-coin, βp-coin, γβp-coin, fragment yields, half-lives, β-delayed proton emission branching ratios using NSCL Beta Counting System and SeGA array. Discussed rp-process implications. Comparison with previous studies and theoretical calculations. X-ray bursts calculations.

doi: 10.1103/PhysRevC.86.014313
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2012PI11      Phys.Rev. C 85, 065804 (2012)

S.T.Pittman, D.W.Bardayan, K.Y.Chae, K.A.Chipps, K.L.Jones, R.L.Kozub, C.Matei, M.Matos, B.H.Moazen, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, P.D.Parker, W.A.Peters, J.F.Shriner, M.S.Smith

26Al+p elastic and inelastic scattering reactions and galactic abundances of 26Al

NUCLEAR REACTIONS 26Al(p, p), (p, p'), E(cm)=0.5-1.5 MeV; measured Ep, Ip using SIDAR array at HRIBF, excitation functions, σ(θ), resonances. 27Si; deduced level, resonance, J, π, width. 26Al(p, γ)27Si; deduced reaction rates with new resonance included. Destruction of 26Al in astrophysical environments.

doi: 10.1103/PhysRevC.85.065804
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2012QU01      Phys.Rev. C 85, 035807 (2012)

M.Quinn, A.Aprahamian, J.Pereira, R.Surman, O.Arndt, T.Baumann, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, T.Ginter, M.Hausmann, S.Hennrich, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Portillo, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr

β decay of nuclei around 90Se: Search for signatures of a N=56 subshell closure relevant to the r process

NUCLEAR REACTIONS 9Be(136Xe, X)86As/87As/88As/88Se/89Se/90Se/90Br/91Br/92Br/93Br/91Kr/92Kr/93Kr/94Kr/95Kr/93Rb/94Rb/95Rb/96Rb/97Rb/95Sr/96Sr/97Sr/98Sr/99Sr/97Y/98Y/99Y/100Y/101Y/100Zr/101Zr/102Zr/103Zr, E=120 MeV/nucleon; measured fragment spectra by energy loss and time-of-flight, total kinetic energies (TKE) of 97,98,99Sr fragments in 36+, 37+, 38+ charge states, half-lives by fragment-β correlations. Beta Counting System (BCS) at NSCL.

RADIOACTIVITY 87,88As, 88,89,90Se, 90,91,92,93Br, 93,94,95Kr, 95,96,97Rb, 96,97,98,99Sr, 99,100,101Y(β-)[from 9Be(136Xe, X), E=120 MeV/nucleon]; measured Eβ, Eγ, (fragment)β correlations, half-lives. Beta Counting System (BCS) at NSCL and SEGA array. Maximum likelihood and least-squares analyses for half-lives. Comparison of measured half-lives with QRPA calculations used in r process, and with previous measurements. Role of g9/2 proton and h11/2 neutron intruders. No evidence of N=56 subshell closure in 90Se. Relevance to r-process nuclei.

doi: 10.1103/PhysRevC.85.035807
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2012SC08      Phys.Rev.Lett. 108, 192701 (2012)

K.T.Schmitt, K.L.Jones, A.Bey, S.H.Ahn, D.W.Bardayan, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.I.Hahn, J.J.Kolata, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, D.Matyas, B.Moazen, C.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Roberts, D.Shapira, J.F.Shriner, Jr., M.S.Smith, I.Spassova, D.W.Stracener, A.N.Villano, G.L.Wilson

Halo Nucleus 11Be: A Spectroscopic Study via Neutron Transfer

NUCLEAR REACTIONS 2H(10Be, p)11Be, E=60, 75, 90, 107 MeV; measured reaction products, light ejectiles, Ep, Ip; deduced σ(θ), spectroscopic factors for the first excited and halo neutron states. Comparison with available data.

doi: 10.1103/PhysRevLett.108.192701
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2011BE34      Phys.Rev. C 84, 041303 (2011)

A.D.Becerril, G.Lorusso, A.M.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

High-spin μs isomeric states in 96Ag

NUCLEAR REACTIONS 9Be(112Sn, X), E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γγ-coin, isomer T1/2. 96Ag; deduced levels, J, π. A1900 Fragment Separator and SeGA array at NSCL. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.84.041303
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2011ES06      Phys.Rev.Lett. 107, 172503 (2011)

A.Estrade, M.Matos, H.Schatz, A.M.Amthor, D.Bazin, M.Beard, A.Becerril, E.F.Brown, R.Cyburt, T.Elliot, A.Gade, D.Galaviz, S.George, S.S.Gupta, W.R.Hix, R.Lau, G.Lorusso, P.Moller, J.Pereira, M.Portillo, A.M.Rogers, D.Shapira, E.Smith, A.Stolz, M.Wallace, M.Wiescher

Time-of-Flight Mass Measurements for Nuclear Processes in Neutron Star Crusts

ATOMIC MASSES 53,54,55Sc, 57Ti, 60,61V, 63Cr, 65,66Mn, 67,68Fe, 68,69,70,71Co, 74Ni; measured time of flight; deduced masses. Stellar nucleosynthesis implications.

doi: 10.1103/PhysRevLett.107.172503
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2011KI49      Nucl.Instrum.Methods Phys.Res. A 641, 72 (2011)

O.A.Kiselev, F.Aksouh, A.Bleile, O.V.Bochkarev, L.V.Chulkov, D.Cortina-Gil, A.V.Dobrovolsky, P.Egelhof, H.Geissel, M.Hellstroem, N.B.Isaev, B.G.Komkov, M.Matos, F.V.Moroz, G.Muenzenberg, M.Mutterer, V.A.Mylnikov, S.R.Neumaier, V.N.Pribora, D.M.Seliverstov, L.O.Sergueev, A.Shrivastava, K.Suemmerer, H.Weick, M.Winkler, V.I.Yatsoura

A new experimental approach to investigate intermediate energy proton elastic scattering and breakup reactions on exotic nuclei in inverse kinematics

NUCLEAR REACTIONS 1H(6He, 6He), 1H(8He, 8He), 6,8He(p, p), E=4.3-5.3 GeV; measured products, 6He, Eπ, Iπ; deduced σ(θ). Data were imported from EXFOR entry O1908.

doi: 10.1016/j.nima.2011.03.046
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2011LO09      Phys.Lett. B 699, 141 (2011)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

Half-lives of ground and isomeric states in 97Cd and the astrophysical origin of 96Ru

RADIOACTIVITY 97Cd(β+), (β+p) [from 9Be(112Sn, X), E=120 MeV/nucleon]; measured proton spectra, Eγ, Iγ; deduced evidence for a high spin isomer (25/2+), T1/2, level energies, J, π. Comparison with nuclear shell model and astrophysical overproduction factors calculations.

doi: 10.1016/j.physletb.2011.03.043
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2011MA69      Phys.Rev. C 84, 055806 (2011)

M.Matos, J.C.Blackmon, L.E.Linhardt, D.W.Bardayan, C.D.Nesaraja, J.A.Clark, C.M.Deibel, P.D.O'Malley, P.D.Parker

Unbound states of 32Cl and the 31S(p, γ)32Cl reaction rate

NUCLEAR REACTIONS 32S(3He, t), E=30 MeV; measured E(t), I(t), σ(θ), pt(θ). 32Cl; deduced levels, J, π, branching ratios for proton decay to 31S. 28Si(3He, t)28P, E=30 MeV; measured E(t), I(t); deduced levels. 31S(p, γ)32Cl; deduced reaction rates.

doi: 10.1103/PhysRevC.84.055806
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2011MO12      Eur.Phys.J. A 47, 66 (2011)

B.H.Moazen, C.Matei, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, K.A.Chipps, R.Hatarik, K.L.Jones, R.L.Kozub, M.Matos, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, T.Pelham, W.A.Peters, S.T.Pittman, J.F.Shriner, Jr, M.S.Smith

Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S

NUCLEAR REACTIONS 31P, 35Cl(p, α), (p, γ), E=low; measured E(particle), I(particle), Eα, Iα(t, θ); deduced resonance energies, strengths.

doi: 10.1140/epja/i2011-11066-7
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2011OM01      Phys.Rev. C 84, 042801 (2011)

P.D.O'Malley, D.W.Bardayan, A.S.Adekola, S.Ahn, K.Y.Chae, J.A.Cizewski, S.Graves, M.E.Howard, K.L.Jones, R.L.Kozub, L.Lindhardt, M.Matos, B.M.Moazen, C.D.Nesaraja, S.D.Pain, W.A.Peters, S.T.Pittman, K.T.Schmitt, J.F.Shriner, Jr., M.S.Smith, I.Spassova, S.Y.Strauss, J.L.Wheeler

Search for a resonant enhancement of the 7Be + d reaction and primordial 7Li abundances

NUCLEAR REACTIONS 2H(7Be, d), E=10 MeV; measured E(d), I(d), energy loss, differential cross section; search for 5/2+ resonance in 7Be+d system proved negative, R-matrix analysis, deduced upper limit for resonance width. Relevance to cosmological 7Li abundance.

doi: 10.1103/PhysRevC.84.042801
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2011PE34      J.Phys.:Conf.Ser. 312, 042019 (2011)

J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr

β-decay measurements of A simeq 70 ≈ 110 r-process nuclei at the National Superconducting Cyclotron Laboratory

RADIOACTIVITY 106,107,108,109Nb, 108,109,110,111Mo(β-); compiled T1/2; calculated T1/2, Solar system r-process abundances using new T1/2.

doi: 10.1088/1742-6596/312/4/042019
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2011RO18      Phys.Rev.Lett. 106, 252503 (2011)

A.M.Rogers, M.A.Famiano, W.G.Lynch, M.S.Wallace, F.Amorini, D.Bazin, R.J.Charity, F.Delaunay, R.T.de Souza, J.Elson, A.Gade, D.Galaviz, M.-J.van Goethem, S.Hudan, J.Lee, S.Lobastov, S.Lukyanov, M.Matos, M.Mocko, H.Schatz, D.Shapira, L.G.Sobotka, M.B.Tsang, G.Verde

Ground-State Proton Decay of 69Br and Implications for the 68Se Astrophysical Rapid Proton-Capture Process Waiting Point

RADIOACTIVITY 69Br(p) [from Be(78Kr, X), E=140 MeV/nucleon]; measured reaction products, proton spectrum. 69Br, 68Se; deduced proton separation energy. Astrophysical implications, comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.106.252503
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2011RO55      J.Phys.:Conf.Ser. 312, 042020 (2011)

A.M.Rogers, W.G.Lynch, M.A.Famiano, M.S.Wallace, F.Amorini, D.Bazin, R.J.Charity, F.Delaunay, R.T.de Souza, J.Elson, A.Gade, D.Galaviz, S.Hudan, J.Lee, S.Lobostov, S.Lukyanov, M.Matos, M.Mocko, M.B.Tsang, D.Shapira, L.G.Sobotka, G.Verde

Ground-state proton decay of 69Br and implications for the rp-process 68Se waiting-point

RADIOACTIVITY 69Br(p); measured in-flight Ep, Ip(θ), E(Se), I(Se), (Se)p-coin using HiRA telescopes; deduced p-spectra, proton separation energy, implications for 2p capture of rp process.

doi: 10.1088/1742-6596/312/4/042020
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2010BA21      Phys.Rev. C 81, 065802 (2010)

D.W.Bardayan, J.C.Blackmon, K.Y.Chae, M.E.Howard, C.Matei, W.Martin, M.Matos, B.H.Moazen, C.D.Nesaraja, W.A.Peters, S.T.Pittman, M.S.Smith, I.Spassova

Inelastic 17F(p, p)17F scattering at Ec.m.=3 MeV and the 14O(α, p)17F reaction rate

NUCLEAR REACTIONS 1H(17F, X), E=52-58 MeV; measured Q-value spectra

doi: 10.1103/PhysRevC.81.065802
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2010CH38      Nucl.Phys. A834, 667c (2010)

J.Chen, A.A.Chen, H.Schatz, S.Kubono, A.B.Reyes, A.Smith, B.Wales, C.Ouellet, D.Kahl, D.G.Redondo, G.Lorusso, J.LeNestour, J.P.Conca, K.Smith, M.Amthor, M.Matos, H.Yamaguchi, N.Iwasa, S.Hayakawa, S.Michimasa, T.Teranishi, Y.Kurihawa, Y.Wakabayashi

Study of astrophysically important states in 26Si with the p(27Si, 26Si*)d reaction and the p(25Al, p)25Al elastic scattering

NUCLEAR REACTIONS 1H(25Al, 25Al), E≈3.4 MeV/nucleon; measured σ(θ). 1H(27Si, 26Si), E=89 MeV/nucleon; measured Eγ, Iγ, E(particle), I(particle), (particle)γ-coin. 26Si deduced levels, J, π, resonance parameteres using R-matrix fit.

doi: 10.1016/j.nuclphysa.2010.01.119
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2010GA36      J.Phys.:Conf.Ser. 202, 012009 (2010)

D.Galaviz, A.M.Amthor, D.Bazin, A.D.Becerril, B.A.Brown, A.A.Chen, A.Cole, J.M.Cook, T.Elliot, A.Estrade, Z.S.Fulop, A.Gade, T.Glasmacher, A.Heger, M.E.Howard, R.Kessler, G.Lorusso, M.Matos, F.Montes, W.Muller, J.Pereira, H.Schatz, B.Sherrill, F.Schertz, Y.Shimbara, E.Smith, K.Smith, A.Tamii, A.Stolz, D.Weisshaar, M.Wallace, M.Wiescher, R.G.T.Zegers

Nucleosynthesis of proton-rich nuclei. Experimental results on the rp-process

NUCLEAR REACTIONS 9Be(36Ar, X)30S, (40Ca, X)36K, (40Ca, X)37Ca, E=140 MeV/nucleon; measured 30S, 36K, 37Ca [obtained by further stripping of one nucleon from fragmentation product] in-flight Eγ, Iγ, (recoil)γ-coin; deduced 29P(p, γ)30S stellar reaction rate relevant to X-bursts. Compared with other published reaction rates.

doi: 10.1088/1742-6596/202/1/012009
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2009MA28      Acta Phys.Pol. B40, 695 (2009)

M.Matos, A.Estrade, A.M.Amthor, D.Bazin, A.Becerril, T.Elliot, M.Famiano, A.Gade, D.Galaviz, G.Lorusso, J.Pereira, M.Portillo, A.Rogers, H.Schatz, D.Shapira, E.Smith, A.Stolz, M.Wallace

Time-of-Flight Mass Measurements and Their Importance for Nuclear Astrophysics


2009PE06      Phys.Rev. C 79, 035806 (2009)

J.Pereira, S.Hennrich, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, P.Moller, F.Montes, B.Pfeiffer, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, M.Quinn, W.B.Walters, A.Wohr

β-decay half-lives and β-delayed neutron emission probabilities of nuclei in the region A ≤ 110, relevant for the r process

RADIOACTIVITY 100,101,102,103,104,105Y, 103,104,105,106,107Zr, 106,107,108,109Nb, 108,109,110,111Mo, 109,110,111,112,113Tc(β-), (β-n)[from 9Be(136Xe, X), E=120 MeV/nucleon]; measured fragments, neutrons, β, (fragment)β-coin, half-lives; deduced delayed neutron-emission probabilities. Comparisons with quasiparticle random phase approximation (QRPA03 and QRPA06) calculations. Discussed relevance to r-process nuclei.

doi: 10.1103/PhysRevC.79.035806
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2009ST04      Phys.Rev. C 79, 015803 (2009)

J.B.Stoker, P.F.Mantica, D.Bazin, A.Becerril, J.S.Berryman, H.L.Crawford, A.Estrade, C.J.Guess, G.W.Hitt, G.Lorusso, M.Matos, K.Minamisono, F.Montes, J.Pereira, G.Perdikakis, H.Schatz, K.Smith, R.G.T.Zegers

β-decay half-life of the rp-process waiting-point nuclide 84Mo

RADIOACTIVITY 80Y, 81Zr, 83,84Nb, 84Mo(EC), (β+) [from 9Be(124Xe, X), E=140 MeV/nucleon]; measured Eγ, (particle)-γ coin, (particle)-β coin, half-life. 64Ge, 68Se, 72Kr, 76Sr, 80Zr, 84Mo, 88Ru;systematics of half-lives and yrast states. Comparisons with QRPA predictions.

NUCLEAR REACTIONS 9Be(124Xe, X)73As/74Se/76Br/77Kr/78Rb/79Sr/80Y/81,82Zr/83Nb/84Nb/84Mo, E=140 MeV/nucleon; measured yields.

doi: 10.1103/PhysRevC.79.015803
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2008AK03      Phys.Lett. B 666, 430 (2008)

Yu.Aksyutina, H.T.Johansson, P.Adrich, F.Aksouh, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, M.Hellstrom, G.Ickert, K.L.Jones, B.Jonson, A.Kliemkiewicz, J.V.Kratz, R.Kulessa, M.Lantz, T.LeBleis, A.O.Lindahl, K.Mahata, M.Matos, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, M.Pantea, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, W.Walus, H.Weick, M.V.Zhukov

Lithium isotopes beyond the drip line

NUCLEAR REACTIONS 1H(11Li, np), E=280 MeV/nucleon; 1H(14Be, n2p), (14Be, 2p), E=304 MeV/nucleon; measured fragment spectra, neutron spectra, (fragment)(neutron)-coin. Deduced σ(E).

doi: 10.1016/j.physletb.2008.07.093
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2008BA53      Phys.Rev.Lett. 101, 252501 (2008)

D.Bazin, F.Montes, A.Becerril, G.Lorusso, A.Amthor, T.Baumann, H.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.Mantica, M.Matos, R.Meharchand, K.Minamisono, G.Perdikakis, J.Pereira, J.Pinter, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

Production and β Decay of rp-Process Nuclei 96Cd, 98In, and 100Sn

NUCLEAR REACTIONS 9Be(112Sn, X)96Cd/98In/100Sn, E=120 MeV/nucleon; measured cross sections.

RADIOACTIVITY 96Cd, 98In, 100Sn; measured decay spectra, half-lives.

doi: 10.1103/PhysRevLett.101.252501
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2008GA07      J.Phys.(London) G35, 014030 (2008)

D.Galaviz, A.M.Amthor, D.Bazin, B.A.Brown, A.Cole, T.Elliot, A.Estrade, Z.Fulop, A.Gade, T.Glasmacher, R.Kessler, G.Lorusso, M.Matos, F.Montes, W.Muller, J.Pereira, H.Schatz, B.Sherrill, F.Schertz, Y.Shimbara, E.Smith, A.Tamii, M.Wallace, R.G.T.Zegers

New experimental efforts along the rp-process path

NUCLEAR REACTIONS 1H(31S, 30S), E=71 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin. 30S; deduced level energies, J, π.

doi: 10.1088/0954-3899/35/1/014030
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2008HO10      Phys.Rev. C 78, 047302 (2008)

M.E.Howard, R.G.T.Zegers, Sam M.Austin, D.Bazin, B.A.Brown, A.L.Cole, B.Davids, M.Famiano, Y.Fujita, A.Gade, D.Galaviz, G.W.Hitt, M.Matos, S.D.Reitzner, C.Samanta, L.J.Schradin, Y.Shimbara, E.E.Smith, C.Simenel

Gamow-Teller strengths in 24Na using the 24Mg(t, 3He) reaction at 115A MeV

NUCLEAR REACTIONS 24Mg(t, 3He), E=115 MeV/nucleon; measured particle spectra, σ(θ); deduced levels, B(GT). Comparisons of GT values with 24Mg(3He, t), (d, 2He) reactions and USDA, USDB calculations.

doi: 10.1103/PhysRevC.78.047302
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2008MA09      J.Phys.(London) G35, 014045 (2008)

M.Matos, A.Estrade, M.Amthor, A.Aprahamian, D.Bazin, A.Becerril, T.Elliot, D.Galaviz, A.Gade, S.Gupta, G.Lorusso, F.Montes, J.Pereira, M.Portillo, A.M.Rogers, H.Schatz, D.Shapira, E.Smith, A.Stolz, M.Wallace

TOF-Bρ mass measurements of very exotic nuclides for astrophysical calculations at the NSCL

doi: 10.1088/0954-3899/35/1/014045
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2008PE17      Nucl.Phys. A805, 470c (2008)

J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, L.Schnorrenberger, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, E.Smith, B.E.Tomlin, W.B.Walters, A.Wohr

β-decay studies of r-process nuclei at NSCL

doi: 10.1016/j.nuclphysa.2008.02.268
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2007BA71      Nature(London) 449, 1022 (2007)

T.Baumann, A.M.Amthor, D.Bazin, B.A.Brown, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, O.B.Tarasov, M.Thoennessen

Discovery of 40Mg and 42Al suggests neutron drip-line slant towards heavier isotopes

NUCLEAR REACTIONS W(48Ca, X)40Mg/42Al, E=141 MeV/nucleon; measured fragment energies, charge and mass distributions.

doi: 10.1038/nature06213
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2007GA46      Nucl.Phys. A788, 381c (2007)

D.Galaviz, M.Amthor, D.Bazin, B.A.Brown, A.Cole, T.Elliot, A.Estrade, Zs.Fulop, A.Gade, T.Glasmacher, R.Kessler, G.Lorusso, M.Matos, F.Montes, W.Muller, J.Pereira, H.Schatz, B.Sherrill, F.Schertz, Y.Shimbara, E.Smith, A.Tamii, M.Wallace, R.Zegers

Improving the nuclear physics input along the rp-process path

NUCLEAR REACTIONS 1H, 12C(31S, X), E=71 MeV/nucleon; measured Eγ, Iγ. 30S deduced levels.

doi: 10.1016/j.nuclphysa.2007.01.067
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2007TA15      Phys.Rev. C 75, 064613 (2007)

O.B.Tarasov, T.Baumann, A.M.Amthor, D.Bazin, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, A.Nettleton, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, M.Thoennessen

New isotope 44Si and systematics of the production cross sections of the most neutron-rich nuclei

NUCLEAR REACTIONS 184W, 9Be(48Ca, X)36Mg/37Mg/38Mg/41Si/42Si/43Si/44Si, E=142 MeV/nucleon; measured production cross sections. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.064613
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2005CH50      Nucl.Phys. A759, 43 (2005)

L.V.Chulkov, F.Aksouh, A.Bleile, O.V.Bochkarev, D.Cortina-Gil, A.V.Dobrovolsky, P.Egelhof, H.Geissel, M.Hellstrom, N.B.Isaev, O.A.Kiselev, B.G.Komkov, M.Matos, F.N.Moroz, G.Munzenberg, M.Mutterer, V.A.Mylnikov, S.R.Neumaier, V.N.Pribora, D.M.Seliverstov, L.O.Sergeev, A.Shrivastava, K.Summerer, S.Yu.Torilov, H.Weick, M.Winkler, V.I.Yatsoura

Quasi-free scattering with 6, 8He beams

NUCLEAR REACTIONS 1H(6He, p), (6He, np), (6He, pα), E=717 MeV/nucleon; 1H(8He, p), (8He, np), (8He, pα), E=671 MeV/nucleon; measured recoil proton spectra, σ(E, θ). 6,8He deduced cluster configurations, spectroscopic factors.

doi: 10.1016/j.nuclphysa.2005.05.148
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2005KI21      Eur.Phys.J. A 25, Supplement 1, 215 (2005)

O.A.Kiselev, F.Aksouh, A.Bleile, O.V.Bochkarev, L.V.Chulkov, D.Cortina-Gil, A.V.Dobrovolsky, P.Egelhof, H.Geissel, M.Hellstrom, N.B.Isaev, B.G.Komkov, M.Matos, F.V.Moroz, G.Munzenberg, M.Mutterer, V.A.Mylnikov, S.R.Neumaier, V.N.Pribora, D.M.Seliverstov, L.O.Sergueev, A.Shrivastava, K.Summerer, H.Weick, M.Winkler, V.I.Yatsoura

Investigation of nuclear matter distribution of the neutron-rich He isotopes by proton elastic scattering at intermediate energies

NUCLEAR REACTIONS 1H(6He, p), (8He, p), E ≈ 700 MeV/nucleon; measured recoil proton spectra, σ(E, θ). 6,8He deduced nuclear matter density distributions, charge radii, cluster configurations, spectroscopic factors.

doi: 10.1140/epjad/i2005-06-156-3
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2005OH08      Phys.Rev.Lett. 95, 052501 (2005); Erratum Phys.Rev.Lett. 95, 069901 (2005)

T.Ohtsubo, F.Bosch, H.Geissel, L.Maier, C.Scheidenberger, F.Attallah, K.Beckert, P.Beller, D.Boutin, T.Faestermann, B.Franczak, B.Franzke, M.Hausmann, M.Hellstrom, E.Kaza, P.Kienle, O.Klepper, H.-J.Kluge, C.Kozhuharov, Yu.A.Litvinov, M.Matos, G.Munzenberg, F.Nolden, Yu.N.Novikov, M.Portillo, T.Radon, J.Stadlmann, M.Steck, T.Stohlker, K.Summerer, K.Takahashi, H.Weick, M.Winkler, T.Yamaguchi

Simultaneous Measurement of β- Decay to Bound and Continuum Electron States

RADIOACTIVITY 207Tl(β-) [from Be(208Pb, X)]; measured ratio of bound-state and continuum-state decay rates for β-decay of bare ions. Comparison with model predictions.

doi: 10.1103/PhysRevLett.95.052501
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2004GE18      Nucl.Phys. A746, 150c (2004)

H.Geissel, Yu.A.Litvinov, F.Attallah, K.Beckert, P.Beller, F.Bosch, D.Boutin, T.Faestermann, M.Falch, B.Franzke, M.Hausmann, M.Hellstrom, E.Kaza, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.-L.Kratz, S.A.Litvinov, K.E.G.Lobner, L.Maier, M.Matos, G.Munzenberg, F.Nolden, Yu.N.Novikov, T.Ohtsubo, A.Ostrowski, Z.Patyk, B.Pfeiffer, M.Portillo, T.Radon, C.Scheidenberger, V.Shishkin, J.Stadlmann, M.Steck, D.J.Vieira, H.Weick, M.Winkler, H.Wollnik, T.Yamaguchi

New results with stored exotic nuclei at relativistic energies

ATOMIC MASSES 116,135,136,137,138,139,140Te, 117,119I, 117,118,119,120,121,122Xe, 116,117,118,119,120,121,122Pd, 143Sm; measured masses. Tl; analyzed proton separation energies, mass values. Schottky mass spectrometer.

doi: 10.1016/j.nuclphysa.2004.09.030
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2004GL04      Phys.Rev. C 69, 024617 (2004)

K.A.Gladnishki, Zs.Podolyak, P.H.Regan, J.Gerl, M.Hellstrom, Y.Kopatch, S.Mandal, M.Gorska, R.D.Page, H.J.Wollersheim, A.Banu, G.Benzoni, H.Boardman, M.La Commara, J.Ekman, C.Fahlander, H.Geissel, H.Grawe, E.Kaza, A.Korgul, M.Matos, M.N.Mineva, C.J.Pearson, C.Plettner, D.Rudolph, Ch.Scheidenberger, K.-H.Schmidt, V.Shishkin, D.Sohler, K.Summerer, J.J.Valiente-Dobon, P.M.Walker, H.Weick, M.Winkler, O.Yordanov

Angular momentum population in the projectile fragmentation of 238U at 750 MeV/nucleon

NUCLEAR REACTIONS Be(238U, X)188Hg/192Tl/192Pb/193Pb/194Pb/195Pb/196Pb/195Bi/197Bi/198Po/200Po/202Po, E=750 MeV/nucleon; measured delayed Eγ, Iγ, (fragment)γ-coin; deduced isomer yield ratios, angular momentum population. 188Hg, 192Tl, 192,193,194,195,196Pb, 195,197Bi, 198,200,202Po deduced isomeric levels T1/2. Mass separator, comparison with model predictions.

doi: 10.1103/PhysRevC.69.024617
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2004SC37      Acta Phys.Hung.N.S. 19, 165 (2004)

C.Scheidenberger, F.Attallah, K.Beckert, P.Beller, F.Bosch, D.Boutin, H.Eickhoff, T.Faestermann, M.Falch, B.Franczak, B.Franzke, H.Geissel, M.Hausmann, M.Hellstrom, E.Kaza, Th.Kerscher, O.Klepper, H.-J.Kluge, R.Koyama, C.Kozhuharov, K.-L.Kratz, Yu.A.Litvinov, K.Lobner, L.Maier, M.Matos, G.Munzenberg, F.Nolden, Yu.N.Novikov, T.Ohtsubo, A.Ostrowski, A.Ozawa, Z.Patyk, B.Pfeiffer, M.Portillo, W.Quint, T.Radon, V.Shishkin, J.Stadlmann, M.Steck, K.Summerer, T.Suzuki, M.B.Trzhaskovskaya, D.J.Vieira, S.Watanabe, H.Weick, M.Winkler, H.Wollnik, T.Yamaguchi

Study of Basic Nuclear Properties of Highly-Charged Unstable Nuclei at the SIS-FRS-ESR Complex

doi: 10.1556/APH.19.2004.1-2.27
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2004ST05      Phys.Lett. B 586, 27 (2004)

J.Stadlmann, M.Hausmann, F.Attallah, K.Beckert, P.Beller, F.Bosch, H.Eickhoff, M.Falch, B.Franczak, B.Franzke, H.Geissel, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, Yu.A.Litvinov, K.E.G.Lobner, M.Matos, G.Munzenberg, N.Nankov, F.Nolden, Yu.N.Novikov, T.Ohtsubo, T.Radon, H.Schatz, C.Scheidenberger, M.Steck, H.Weick, H.Wollnik

Direct mass measurement of bare short-lived 44V, 48Mn, 41Ti and 45Cr ions with isochronous mass spectrometry

ATOMIC MASSES 44V, 48Mn, 41Ti, 45Cr; measured masses. In-flight separation, stored ions. Astrophysical implications discussed.

doi: 10.1016/j.physletb.2004.02.014
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2004SU04      Phys.Rev.Lett. 92, 072302 (2004)

K.Suzuki, M.Fujita, H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Matos, G.Munzenberg, T.Ohtsubo, M.Sato, M.Shindo, T.Suzuki, H.Weick, M.Winkler, T.Yamazaki, T.Yoneyama

Precision Spectroscopy of Pionic 1s States of Sn Nuclei and Evidence for Partial Restoration of Chiral Symmetry in the Nuclear Medium

NUCLEAR REACTIONS 116,120,124Sn(d, 3He), E=503.338 MeV; measured σ(E, θ). 115,119,123Sn deduced deeply bound pionic states energies, widths, pion-nucleus potential features.

doi: 10.1103/PhysRevLett.92.072302
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2003AN26      Eur.Phys.J. A 18, 39 (2003)

A.N.Andreyev, D.Ackermann, S.Antalic, H.J.Boardman, P.Cagarda, J.Gerl, F.P.Hessberger, S.Hofmann, M.Huyse, D.Karlgren, A.Keenan, H.Kettunen, A.Kleinbohl, B.Kindler, I.Kojouharov, A.Lavrentiev, C.D.O'Leary, M.Leino, B.Lommel, M.Matos, C.J.Moore, G.Munzenberg, R.D.Page, S.Reshitko, S.Saro, H.Schaffner, C.Schlegel, M.J.Taylor, K.Van de Vel, P.Van Duppen, L.Weissman, K.Heyde

α-decay spectroscopy of light odd-odd Bi isotopes - I: 188, 190Bi nuclei

RADIOACTIVITY 188,190Bi(α) [from 142Nd(50Cr, 3np), (52Cr, 3np), (52Cr, 5np)]; measured Eα, Eγ, (X-ray)α-, γα-coin, T1/2 following α-decay of ground and isomeric states. 184,186Tl deduced levels, J, π, configurations.

doi: 10.1140/epja/i2003-10050-2
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2003GL05      Acta Phys.Pol. B34, 2395 (2003)

K.A.Gladnishki, Zs.Podolyak, J.Gerl, M.Hellstrom, Y.Kopatch, S.Mandal, M.Gorska, P.H.Regan, H.J.Wollersheim, A.Banu, G.Benzoni, H.Boardman, M.La Commara, J.Ekman, C.Fahlander, H.Geissel, H.Grawe, E.Kaza, A.Korgul, M.Matos, M.N.Mineva, R.D.Page, C.J.Pearson, C.Plettner, D.Rudolph, Ch.Scheidenberger, V.Shishkin, D.Sohler, K.Summerer, J.J.Valiente-Dobon, H.Weick, M.Winkler

Isomer spectroscopy in the neutron-deficient lead region following projectile fragmentation

RADIOACTIVITY 188Hg, 192Tl, 192,193,194,195,196Pb, 195,197,199Bi, 198,200Po(IT) [from Be(238U, X)]; measured Eγ, Iγ, T1/2.


2003SU24      Nucl.Phys. A721, 831c (2003)

K.Suzuki, M.Fujita, H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Matos, G.Munzenberg, T.Ohtsubo, M.Sato, M.Shindo, T.Suzuki, H.Weick, M.Winkler, T.Yamazaki, T.Yoneyama

Deeply bound pionic 1s states in Sn isotopes

NUCLEAR REACTIONS 116,120,124Sn(d, 3Heπ-), E=503.4 MeV; measured σ(E, θ). 115,119,123Sn deduced pionic states energies, widths.

doi: 10.1016/S0375-9474(03)01219-3
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2003SU35      Prog.Theor.Phys.(Kyoto), Suppl. 149, 32 (2003)

K.Suzuki, M.Fujita, H.Geissel, H.Gilg, A.Gillitzer, R.S.Hayano, S.Hirenzaki, K.Itahashi, M.Iwasaki, P.Kienle, M.Matos, G.Munzenberg, T.Ohtsubo, M.Sato, M.Shindo, T.Suzuki, H.Weick, M.Winkler, T.Yamazaki, T.Yoneyama

Observation of Pionic 1s States in Sn Nuclei and Its Implications on Chiral Symmetry Restoration

NUCLEAR REACTIONS 116,120,124Sn(d, 3Heπ-), E=503.4 MeV; measured particle spectra, σ(E, θ). 115,119,123Sn deduced deeply-bound pionic states binding energies, widths.

doi: 10.1143/PTPS.149.32
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2002WE11      Nucl.Instrum.Methods Phys.Res. B193, 1 (2002)

H.Weick, A.H.Sorensen, H.Geissel, C.Scheidenberger, F.Attallah, V.Chichkine, S.Elisseev, M.Hausmann, H.Irnich, Y.Litvinov, B.Lommel, M.Maier, M.Matos, G.Munzenberg, N.Nankov, F.Nickel, W.Schwab, Th.Stohlker, K.Summerer, B.Voss

Energy-Loss Straggling of (200-1000) MeV/u Uranium Ions

NUCLEAR REACTIONS Be, Al, Pb(U, X), E=200-1000 MeV/nucleon; analyzed energy loss straggling, charge exchange contribution.

doi: 10.1016/S0168-583X(02)00718-8
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2001AN07      Nucl.Phys. A682, 482c (2001)

A.N.Andreyev, M.Huyse, P.Van Duppen, L.Weissman, D.Ackermann, J.Gerl, F.P.Hessberger, S.Hofmann, A.Kleinbohl, G.Munzenberg, S.Reshitko, C.Schlegel, H.Schaffner, P.Cagarda, M.Matos, S.Saro, A.Keenan, C.J.Moore, C.D.O'Leary, R.D.Page, M.J.Taylor, H.Kettunen, M.Leino, A.Lavrentiev, R.Wyss, K.Heyde

The Discovery of a Prolate-Spherical Shape Triple of Spin 0+ States in the Atomic Nucleus 186Pb

RADIOACTIVITY 190Po(α) [from 142Nd(52Cr, 4n)]; measured Eα, Iα, (ce)α-coin; deduced reduced α-decay widths, hindrance factors. 186Po deduced levels, J, π, shape coexistence features.

doi: 10.1016/S0375-9474(00)00676-X
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2001AN11      Eur.Phys.J. A 10, 129 (2001)

A.N.Andreyev, D.Ackermann, P.Cagarda, J.Gerl, F.P.Hessberger, S.Hofmann, M.Huyse, A.Keenan, H.Kettunen, A.Kleinbohl, A.Lavrentiev, M.Leino, B.Lommel, M.Matos, G.Munzenberg, C.J.Moore, C.D.O'Leary, R.D.Page, S.Reshitko, S.Saro, C.Schlegel, H.Schaffner, M.J.Taylor, P.Van Duppen, L.Weissman, R.Wyss

New Microsecond Isomers in 189, 190Bi

NUCLEAR REACTIONS 142Nd(52Cr, 3np), (52Cr, 4np), E=239-307 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-, (X-ray)γ-coin. 189,190Bi deduced isomer T1/2 lower limits, level configurations. Recoil-decay tagging. Level systematics in neigboring isotopes discussed.

RADIOACTIVITY 189,190Bi(α) [from 142Nd(52Cr, xnp)]; measured Eα, Iα.

doi: 10.1007/s100500170123
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2000AN14      Nature(London) 405, 430 (2000)

A.N.Andreyev, M.Huyse, P.Van Duppen, L.Weissman, D.Ackermann, J.Gerl, F.P.Hessberger, S.Hofmann, A.Kleinbohl, G.Munzenberg, S.Reshitko, C.Schlegel, H.Schaffner, P.Cagarda, M.Matos, S.Saro, A.Keenan, C.Moore, C.D.O'Leary, R.D.Page, M.Taylor, H.Kettunen, M.Leino, A.Lavrentiev, R.Wyss, K.Heyde

A Triplet of Differently Shaped Spin-Zero States in the Atomic Nucleus 186Pb

RADIOACTIVITY 190Po(α) [from 142Nd(52Cr, 4n)]; measured Eα, Iα, (ce)α-coin; deduced reduced α-decay widths. 186Pb deduced levels, J, π, spherical-oblate-prolate deformation triplet. Comparison with model predictions.

doi: 10.1038/35013012
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Data from this article have been entered in the XUNDL database. For more information, click here.


2000BO56      Part. and Nucl., Lett. 102, 32 (2000)

D.D.Bogdanov, R.Wolski, V.A.Gorshkov, M.Matos, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, A.S.Fomichev, M.L.Chelnokov, G.M.Ter-Akopian

Yields of Nuclear Reactions Products from a Thick Beryllium Target Bombarded by Beams of 7Li, 11B and 15N Ions

NUCLEAR REACTIONS Be(7Li, X), (11B, X), (15N, X), E=35-45 MeV; measured fragments isotopic yields, energy and angular distributions. Thick target.


1999AN52      Eur.Phys.J. A 6, 381 (1999)

A.N.Andreyev, D.Ackermann, P.Cagarda, J.Gerl, F.Hessberger, S.Hofmann, M.Huyse, A.Keenan, H.Kettunen, A.Kleinbohl, A.Lavrentiev, M.Leino, B.Lommel, M.Matos, G.Munzenberg, C.Moore, C.D.O'Leary, R.D.Page, S.Reshitko, S.Saro, C.Schlegel, H.Schaffner, M.Taylor, P.Van Duppen, L.Weissman, R.Wyss

Alpha Decay of the New Isotopes 188, 189Po

NUCLEAR REACTIONS 142Nd(52Cr, 5n), (52Cr, 6n), E=239-307 MeV; measured Eγ, Iγ, αγ-coin following residual decay; deduced evidence for 188,189Po.

RADIOACTIVITY 188,189Po(α) [from 142Nd(52Cr, xn)]; measured Eα, Iα, αγ-coin; deduced decay branching ratios. 184,185Pb deduced levels, branching ratios.

doi: 10.1007/s100500050359
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1999SA09      Acta Phys.Slovaca 49, 75 (1999)

S.Saro, M.Matos, V.Martisovits

The Experimental Present and Future of Superheavy Nuclei Synthesis


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